baber/WOPTO huggingface dataset:
Patent GB-518947-A (GB)
Title: Improvements in or relating to control valves for trailer brakes
IPC: B60T15/04
Filed: 1938-09-10
Abstract: 518,947. Fluid-pressure brakes. BOSCH GES., R. (formerly BOSCH AKT.-GES., R.). Sept. 10, 1938, No. 26456. Convention date, Sept. 11, 1937. [Class 103 (i)] A driver's valve on a tractor for controlling the brakes on a trailer and operated by the brake pedal, is operated by the hand brake lever by means of an additional lever which is loosely coupled with the valve member and is mounted on the valve casing so as to be operated by rocking movement in any plane containing the valve axis'and by rocking movement about the axis of the valve in order fo facilitate the installation of the valve on the vehicle. In the modification, shown in Fig: 2 the brake pedal operates the valve 14-19 by means of a lever 23, a rod 24, a spring'25 and a sleeve 21. The additional lever 26 is integral with a cap 28 which engages a rim 40 on the sleeve 21 by means of cams 39. Balls 32, 34 are arranged between the cap and a ring 35 on the valve casing. Between the ring and cap, balls 32 are arranged in sockets, so that movement of the cap 28 about the valve axis causes movement thereof parallel to the axis and operation of the valve. Rocking of the lever and cap in the plane of the axis about balls 32, or 34 as centre also produces operation of the valve. The balls are three arranged at 120‹ or four at 90‹ arranged symmetrically relative to the lever 26. The ring 24 is located by spring pins 37. In another construction the lever 26 is pivoted on one side of the cap and, on the other side of the cap, engages a pin on the cap by means of an opening. The valve comprises a plate 14 adapted to engage a fixed seat 18 or a seat 17 on a piston 16 adapted to be moved to the left by a spring 19 when the sleeve 21 is moved to the left by. the operating means. The brakes are connected to a port 11 and the pressure supply to a port 13. An atmospheric opening 22 is provided. The brakes of, the trailer described are held released by fluid-pressure.
Patent GB-669435-A (GB)
Title: Improvements in or relating to electrical condensers
IPC: H01G2/12
Filed: 1949-10-14
Abstract: 669,435. Electric condensers. LONDON ELECTRICAL MANUFACTURING CO., Ltd., and VAUDIN, L. N. Dec. 20, 1950 [Oct. 14, 1949; April 11, 1950], Nos. 26492/49 and 8916/50. Class 37. To protect a condenser from pressure and heat during the moulding of a case about it, at least one plate is provided spaced from the condenser and sealed to it round its edge to provide a closed space. As shown, a sheet of mica 11 Fig. 3, has electrodes 12, 14 deposited on its faces, each electrode extending to alternate ends, and spacers 17 and protection plates 19 are provided, the assembly being clamped by rivets 16, Fig. 2, to serve as connections to leads 21. A case 23 is then moulded about the assembly, the plates 19 protecting the condenser against pressure and heat. A plurality of mica sheets with electrodes may be used, Fig. 4, not shown. The space between the condenser and the protection plate may be evacuated or filled with petroleum jelly; if the filling is given an appropriate temperature coefficient of specific inductive capacity, the stray capacitance can be made to vary with temperature oppositely to the mica dielectric, and the overall temperature coefficient controlled.
Patent GB-1464978-A (GB)
Title: 10,11-dihydro dibenzo b,f thiepin derivatives
IPC: C07D409/14
Filed: 1974-03-29
Abstract: 1464978 10,11 - Dihydro - dibenz[b,t]thiepins F HOFFMANN-LA ROCHE & CO AG 29 March 1974 [30 March 1973 14 Jan 1974] 20540/76 Divided out of 1464977 Heading C2C Novel compounds I in which one of each pair of symbols R 1 , R 2  and R 3 , R 4  is H and the other is F, Me, MeO, MeS, Me 2 NSO 2  or CF 3  and Y is halogen or alkyl or aryl-substituted sulphonyloxy are prepared by reacting the corresponding 10-hydroxy compound II with a halogenating agent or a sulphonic acid halide. The preparation of compounds II is described in Specification 1,464,977.
Patent GB-903291-A (GB)
Title: Improvements in or relating to packs comprising volatile pesticides
Inventor: WHITNEY GEOFFREY FITZWALTER HE
IPC: A01M1/20
Filed: 1957-08-23
Abstract: 903,291. Pack containing volatile pesticides. AEROVAP HOLDINGS Ltd. Aug. 25, 1958 [Aug. 23, 1957], No. 26633/57. Class 81 (1). A pack holding a volatile pesticide for dissemination into the atmosphere or upon a surface comprises an elongated tubular casing having gas impervious walls and open at both ends and containing a foraminous non-volatile solid structure having deposited upon its surfaces a solid volatile pesticide so that on passage of a forced draught of a gaseous medium through the foramina at normal or elevated temperature, the deposited material is volatilized into the gas stream and is thereby disseminated. The solid may be a pesticide, e.g. DDT, benzene hexachloride, dehydroacetic acid, aldrin, di-eldrin or mixtures thereof. The foraminous material may be non-rigid, e.g. glass fibre or wool, cotton wool, a divided material which may itself be foraminous or impervious, e.g. vermiculite, glass beads, or, preferably, a self-supporting structure, e.g. filter paper, fluted, creped, embossed or corrugated paper folded or rolled to form a foraminous structure, or a plurality of tubular members which may be serpentine in shape. The Figure shows a cylindrical pack held in container 1 which is of aluminium or stout card, the foraminous material being fluted card 4 interleaved with flat card 5. The discharge end of the pack may be provided with an adjustable outlet, e.g. an iris diaphragm by which the velocity of the gas stream may be varied. Specification 903,292 is referred to.
Patent GB-190288-A (GB)
Title: Improvements in wind screens for motor and other vehicles
IPC: B60J1/00
Filed: 1921-10-10
Abstract: 190,288. Starling, C. E. B. Oct. 10, 1921. Windscreens. - Relates to windscreens for motor and like vehicles of the kind comprising a number of hinged sections which are collectively supported in a detachable manner at both sides of the vehicle and arranged so that the screen can be detached at either side and collapsed by movement towards the other side. The screen sections 1, Figs. 2 and 4. which are hinged together about a vertical bar 7, are provided at their outer edges with vertical supporting members 6 having small downwardly-projecting portions 11 which form spigots for entering sockets 12 arranged on the side of the vehicle, either spigot being easily removable from its socket by giving the screen a slight lift on the side desired. Each socket is preferably fitted with a spring- pressed plunger 23, Fig. 8, adapted to engage a circumferential groove 24 on the spigot 11. Each screen section comprises a transparent panel of celluloid or like material surrounded by rigid upper and lower horizontal members 2, 3 hinged together and vertical members 6, all the rigid members being bound with leather or like material. Side screens 13 of similar construction may be pivotally mounted on the side members 6. Instead of being fixed to a side of the vehicle the socket member 31, Fig. 11, may be mounted on horizontally-extending bar 27 of rectangular or other non-circular section so that the screen may be capable of adjustment towards or away from the occupants. In such a construction a single screw may be employed both to secure the spigot in the socket and the socket member on the bar 27, or the socket member may be formed of two readily-separable portions. A clip 35 may be provided to engage both spigots 11 so as to hold the screen in the collapsed condition, as shown in Fig. 2.
Patent GB-792516-A (GB)
Title: Improvements in or relating to conveyor belt cleaning devices
IPC: B65G45/12
Filed: 1955-09-19
Abstract: 792,516. Conveyer belt cleaning devices. THOMSON, C. Dec. 10, 1956 [Sept. 19, 1955], No. 26731/55. Class 78 (1). In a conveyer belt cleaning device of the kind comprising a row of wiper blades 8 arranged to bear against the return run 1 of the belt, each wiper blade is of composite construction comprising a plate or strip of rubber 11 secured to one or both sides of a rigid plate 10 so that one edge of both the plate or strip 11 and the plate 10 are presented to the belt. The plate 10 is preferably of brass so that it wears freely and does not damage the belt. In order to take up wear each wiper blade is mounted pivotally on the end of a rod 7, the rods 7 being secured to a common shaft 4 which is biased to urge the blades against the belt. The biasing means comprises a compression spring 15 acting between a bracket 16 and the head 17 of a bolt 18, the head 17 in turn being in contact with an adjustable setscrew 25 screwed into a boss 24 formed on the end of an arm 23 projecting from a disc 21 secured to the shaft 4. The screw 25 is adjusted to set and maintain the desired pressure of the blades while the position of a nut 19 on the bolt 18 determines the amount of movement owing to wear which can take place before adjustment of screw 25 is again needed. The disc 21 is secured adjustably to a flange on the shaft 4 by bolts 22, each of which can be passed through any one of a number of holes in the disc.
Patent GB-463426-A (GB)
Title: Improvements in or relating to dart boards
IPC: F41J3/00
Filed: 1935-09-27
Abstract: 463,426. Dart - boards. SCAMMELL, S. W., and RICHARDSON, C. A. Sept. 27, 1935, No. 26737. [Class 132 (iii)] A dart-board is built up of pieces of cane secured together so that the end grain forms the playing surface. The pieces of cane may be of square or hexagonal section and after being glued together the assemblage is cut to circular shape and enclosed in a circular band 2 provided with a clamping nut 3 and eyelet 4. The usual wire mask 5 is permanently secured to the board, and the numerals 6 are connected to the band 2 by soldering. The board may be rotated relative to the band 2 to change the positions of worn portions. Preferably, the board has a mask 5 on both sides so that either side may be brought into co-operation with the numerals. In a modification, the numerals are stamped out in one integral piece with the band and are bent to overlie the face of the board.
Patent GB-744026-A (GB)
Title: Improvements in or relating to flexible couplings, dampers and like devices
IPC: F16D3/68
Filed: 1953-09-30
Abstract: 744,026. Vivration dampers. CROSET, L. P. Aug. 13, 1954 [Sept. 30, 1953; May 19, 1954], Nos. 26829/53 and 14679/54. Class 108 (3). [Also in Group XXIV] In a flexible damper with blades 10, 13 extending outwardly and inwardly respectively from inner and outer annuli 11, 14 and end plates 16, 18 so as to form an annular series of cells each housing a rubber block 22, the width and radial dimensions of the blocks, before assembly, are equal to or larger than those of the cells and the length of the blocks is smaller than, equal to or larger than that of the cells, but spaces are left along the four inner and outer edges of the cells. The corners of the blocks are considerably rounded and the roots of the blades are rounded to a smaller radius so as, when assembled, to provide the spaces, which become filled by the rubber with a rolling action under load. The blocks may be of wedge-shaped section, as shown in Fig. 2, or they may be initially of circular section. A pair of dampers may be used in series, with the plates 16 facing each other and connected together. Specification 641,425 is referred to.
Patent GB-302001-A (GB)
Title: Improvements in or relating to amusement appliances
IPC: A63G1/28
Filed: 1927-10-10
Abstract: 302,001. Walker, J. R. Oct. 10, 1927. Railways and tracks for recreation : roundabouts.-Passenger-carrying cars, capable of movement transversely of the track, are attached to trolleys which are moved around an endless overhead track by a conveyer chain or by electric driving means carried on one of the trolleys. The track is in the form of two semi-circles joined by straight lines and is supported by mast structures at the centres of the semi-circles. Attached to the track 11 is an I sectional girder 12 on the lower flange of which run wheels 18 journaled in plates 17, which are attached by distance pieces and form the trolley. This trolley carries a shackle 19 for freely suspending the passenger car and it.is also attached by links to the trolleys immediately in front of and behind it to form a train. One of the trolleys carries an electric motor geared to one of the wheels 18; the current for this motor being picked up from conductor strips 15. A grooved roller 25 in each trolley thrusts against the girder flange, as the cars swing out at the curved parts of the track; wheels 26 on the plates 17 run along the web of the girder to prevent the trolley rocking. The motor or motors may, alternatively, drive directly on the lower surface of the girder, either by friction or by a rack on the lower girder flange. In a modification, Fig. 8, the trolleys 16 are connected to a driving chain or band 29 driven from sprocket wheels 30.
Patent GB-410672-A (GB)
Title: Improvements in or relating to instrument mountings
IPC: G01K5/40
Filed: 1933-09-29
Abstract: 410,672. Indicating and recording apparatus; pressure gauges. ELECTROFLO METERS CO., Ltd., Abbey Road, Park Royal, London.-(Republic Flow Meters Co., Inc. ; 2240, Diversey Boulevard, Chicago, U.S.A.) Sept. 29, 1933, No. 26859. [Classes 106 (ii) and 106 (iv).] An instrument mounting or assembly comprises a supporting panel, a housed selfcontained motor mechanism and a housed selfcontained instrument both mounted on the back of the panel and each having a shaft projecting through the panel, indicating or recording elements such as a dial or chart and a pointer or marker mounted one on each of the two shafts respectively, and a dished cover mounted on the front of the support, the said support, the housings and the cover forming a dust-proof assembly. The instrument described is a recording thermometer comprising a gas-filled bulb 16, Fig. 2, connected by a flexible pipe 20 to a Bourdon tube 22, Fig. 4. The end of this tube is connected to a shaft 32 passing through the panel 70 and actuating a recording arm 42. The gas pressure in the Bourdon tube is adjusted by allowing a certain amount to escape through a tube 24 and then sealing-off this tube. The Bourdon tube is attached to a plate 26 secured to the bearing 30 of the shaft 32, the said bearing being carried in a housing 46. A cover 56 can be secured to the housing 46 and holds in place a cover 52, the whole then forming a self-contained assembly which is secured to the panel in a dust-proof manner. The bearing 30 has a toothed portion 62 which can be turned by a screw-driver to make zero adjustments. A pen on the arm 42 records on a chart driven by a self-contained mechanism in a housing 80 secured to the back of the panel by a dust-proof joint. A dished front cover 90 with a dust-proof joint 92 is also secured to the panel.
Patent GB-903673-A (GB)
Title: Swaging machines
IPC: B21J7/14
Filed: 1959-08-06
Abstract: 903,673. Swaging machines. APPEL PROCESS Ltd. Aug. 6, 1959 [Sept. 10, 1958], No. 26861/59. Class 83 (4). In a swaging machine of the kind described in Specification 797,518, the transversely acting cams 32 on the driver rods 30 have each two concave surfaces comprising raised ends 51 and a flat centre part 50.
Patent GB-970274-A (GB)
Title: Improvements relating to aerials for high frequency radio waves
IPC: H01Q5/45
Filed: 1961-07-25
Abstract: 970,274. Aerials. COMPAGNIE FRANCAISE THOMSON-HOUSTON. July 25, 1961 [July 26, 1960], No. 26911/61. Heading H4A. An aerial feeder comprises a pair of rectangular horns, the extremities of the adjacent wall of each horn being inside the other horn. These extremities are reflective to waves propagated by their respective horns, but transparent to waves propagated by horn into which they penetrate. Horns 2 and 3 radiate waves polarized parallel and perpendicular to the plane of Fig. 1, respectively. The overlapping portions 4, 6 of the walls have sections 13, 14, Figs. 2a and 2b comprising parallel rods or slots which are transparent to radiation from horns 3 and 2 and reflective to radiations from horns 2 and 3 respectively. The horns may be made symmetrical by the inclusion of further semi-transparent panels 7, 8, 11 and 12. The horns may radiate different wavelengths rather than different polarizations. An array of two or more overlapping horns may feed a reflector and may be combined with non-overlapping horns providing a cosec<SP>2</SP> pattern. The feeder and reflector may be rotated about a vertical axis for scaning and the horns may be energized alternately for beam switching. Specification 864,324 is referred to.
Patent GB-932666-A (GB)
Title: Semiconductor rectifier assemblies
IPC: H05K7/02
Filed: 1960-08-04
Abstract: 932,666. Rectifiers. WESTINGHOUSE ELECTRIC CORPORATION. Aug. 4, 1960 [Aug. 13, 1959], No. 27014/60. Class 38 (2). A rectifier assembly comprises a plurality of series connected stacked modules, each module comprising a semi-conductor diode in parallel with a resistor and a capacitor for surge protection. A module comprises insulating blocks 1A, 1B spaced apart by horizontal insulating members 25, 26 having respectively on their near surfaces bosses 27, 28 between which are mounted diode D1, resistor R1 and capacitor C1. A plurality of modules including blocks such as 1A-1B, 2A-2B, are clamped together between end blocks such as 20 and end bracket such as 22 by rods 42 in grooves in edges of said blocks, secured by nuts 46. Alternate diodes are inverted and alternate top and bottom connecting members join adjacent modules in series, Fig. 4, end terminals such as 34 being connected to end modules by members such as 33. In a modification, a trough 50 has slotted into its sides at intervals vertical insulating plates such as P15 having three busses 54-56 between which are mounted two parallel diodecapacitor-resistor assemblies, D15A-C15AR15A, D15B-C15B-R15B, joined in series by common bus 54, diodes being mutually inverted. The plates are joined in series (Fig. 9, not shown) and end terminals are provided, similarly to the previous embodiment. Angled insulating members 73 secure the plates, and holes are provided in trough and plates for cooling by air or oil.
Patent GB-602539-A (GB)
Title: Improved method and means of fixing wall boards and the like to steel and wood structures
IPC: E04F19/06
Filed: 1945-10-16
Abstract: 602,539. Bolts; nails. CUCKOW, A. E. E. Oct. 16, 1945, No. 27086. [Classes 89 (i) and 89 (ii)] [Also in Groups X and XV] Asbestos boards &c. are secured to walls or ceilings or to a framework by means of nails having projections A to engage the boards K and a resilient sheet metal cover strip engaging the boards with spring pressure and having inturned edges that snap under the nail heads. Neither the boards nor the cover strips are penetrated by the nails. The nails are driven in along a line to lie between the board edges - with the projections A facing along this line and after placing the boards the nails are turned so that the projections engage over the boards alternately. The space between the boards may be sealed as by bitumen compound at P. Instead of nails hook bolts with captive washers may be employed, the washers holding the boards and the edges of the cover strips engaging the threads. In a further form the washer is retained by an upset portion on the shank of a headless nail, the end of the shank being notched to engage the cover. The cover strips may be finished in a decorative or protective manner.
Patent GB-1244321-A (GB)
Title: Improvements to rail vehicle proving apparatus
Inventor: EMERSON EDWARD RAYMOND
IPC: B61L1/02
Filed: 1968-06-07
Abstract: 1,244,321. Wheel detector. WESTINGHOUSE BRAKE & SIGNAL CO. Ltd. 22 May, 1969 [7 June, 1968], No. 27145/68. Heading B7N. Contact members 3, 4 replace the running surface 1 of a rail over a distance of approximately 3 inches and when short-circuited by a rail vehicle wheel complete a signalling circuit indicating vehicle presence. The contacts are insulated from each other by layer 9 and are secured by bolts 5, 6 to a guide block 10 which is grooved 11, 12 to receive tongues 13, 14 of fish plates 15, 16. The guide block allows vertical movement of the contacts which rest on a resilient neoprene pad. The belts run in insulated bushes 7, 8 and act as the circuit terminals. The arrangement may be used to signal the correct positioning of mine cars in a cage.
Patent GB-1075776-A (GB)
Title: Method and apparatus for deflashing molded goods
IPC: B24C3/26
Filed: 1965-06-28
Abstract: 1,075,776. Blasting. PANGBORN CORPORATION. June 28, 1965 [July 29, 1964], No. 27206/65. Heading B3D. Apparatus for deflashing moulded goods by abrasive blasting comprises a gas-pressurized chamber for cooling the moulded goods, pressure means connected to the chamber, deflashing means in the chamber, air-locking means connected to the chamber and means for opening and closing communication of the airlocking means with the pressurized chamber. The apparatus is generally similar to that in Specification 1,048,477. The housing 1 in which the deflashing means is located is maintained under pressure, e.g. 4 inches water gauge, by dry air or dry gas, e.g. carbon dioxide or nitrogen, supplied by a tank 96 through housing inlet pipe 97 to a header. An air-look chamber 100 contains the loading bucket. With door 5, between the chamber 100 and the housing 1, closed the operator enters the chamber 100 through a door 102 and loads workpieces into the bucket, leaves the chamber 100 and closes the door 102; alternatively the operator loads workpieces into the bucket through the door 102 without entering the chamber 100. The chamber is then purged through a branch line from the pipe 97. The bucket is then actuated to load the workpieces into the deflashing means, the door 5 being automatically opened during this loading, and closed during the deflashing. The medium used in gaseous state for pressurizing the housing 1 is preferably the same as that used in liquid state for differentially freezing the workpieces prior to abrasive blasting. Gaseous refrigeratant emanating from the liquid refrigerant is discharged from the housing 1 through a pipe 103 to a recondenser 105 from which liquid refrigerant passes back to the tank 96. The pipe 90 leads from the housing 1 to an external dust collector 81 having a return pipe 79.
Patent GB-600872-A (GB)
Title: Improvements in or relating to mercury electric switches
IPC: H01H29/28
Filed: 1945-10-17
Abstract: 600,872. Mercury switches. RADIO APPARAT CO. AKTIESELSKABET H. EBBESEN & I. C. JENSEN, and GRUE, O. E. Oct. 17, 1945, No. 27218. Convention date, Dec. 6, 1943. [Class 38 (v)] In a thermally-operated mercury interrupter wherein a mercury column 14 oscillates in two branches 10, 12 of a closed gas-filled tube to make contact from the supply 22 to a load circuit at 26 and at contact 20 to energize its operating heater 16, the mercury column is arranged so that when the heater is switched off after operation, it will occupy a position as shown, whereby any gas which has leaked through the column from branch 10 to branch 12 and which would ultimately render the device inoperative, will bubble back again to balance the pressure.
Patent GB-797038-A (GB)
Title: Improvements in or relating to the manufacture of molded polyamide articles
IPC: D01F6/60
Filed: 1956-09-06
Abstract: Polyamide articles are made by moulding a polyamide through which is distributed a phenyl phosphinate of the general formula <FORM:0797038/IV (a)/1> where M is an alkali metal and R, R1 and R11 are hydrogen atoms or methyl groups.  The phenyl phosphinate is preferably used within the range of 0.005 to 2 per cent by weight based on the polyamide.  Specified phenyl phosphinates are the sodium, potassium and lithium phosphinates.  In the Examples (1) and (2) hexamethylene diammonium adipate salt solution, (3) tetramethylene diammonium sebacate salt solution are concentrated, sodium phenyl phosphinate added and condensed in an autoclave, the resultant polyamide being powdered and injection moulded. Fillers, plasticizers, pigments and dyes may also be present. Specifications 461,236 and 461,237, [both in Group IV], are referred to.